You can see a "Zombie Shark" coffee mug in one of the shots. The production company Fable House has produced a couple of shark films.
The book that Molly is reading is Mrs Dalloway by Virginia Woolf.
2nd of 4 b-horror/comedy shark movies directed by Misty Talley, the others being Shark Island/Zombie Shark (2015), Mississippi River Sharks (2017), and Santa Jaws (2018).